diff options
Diffstat (limited to 'kernel/drivers/ata/ahci_mvebu.c')
| -rw-r--r-- | kernel/drivers/ata/ahci_mvebu.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/kernel/drivers/ata/ahci_mvebu.c b/kernel/drivers/ata/ahci_mvebu.c index 5928d0746..f7a7fa817 100644 --- a/kernel/drivers/ata/ahci_mvebu.c +++ b/kernel/drivers/ata/ahci_mvebu.c @@ -62,6 +62,31 @@ static void ahci_mvebu_regret_option(struct ahci_host_priv *hpriv) writel(0x80, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_DATA); } +#ifdef CONFIG_PM_SLEEP +static int ahci_mvebu_suspend(struct platform_device *pdev, pm_message_t state) +{ + return ahci_platform_suspend_host(&pdev->dev); +} + +static int ahci_mvebu_resume(struct platform_device *pdev) +{ + struct ata_host *host = platform_get_drvdata(pdev); + struct ahci_host_priv *hpriv = host->private_data; + const struct mbus_dram_target_info *dram; + + dram = mv_mbus_dram_info(); + if (dram) + ahci_mvebu_mbus_config(hpriv, dram); + + ahci_mvebu_regret_option(hpriv); + + return ahci_platform_resume_host(&pdev->dev); +} +#else +#define ahci_mvebu_suspend NULL +#define ahci_mvebu_resume NULL +#endif + static const struct ata_port_info ahci_mvebu_port_info = { .flags = AHCI_FLAG_COMMON, .pio_mask = ATA_PIO4, @@ -120,6 +145,8 @@ MODULE_DEVICE_TABLE(of, ahci_mvebu_of_match); static struct platform_driver ahci_mvebu_driver = { .probe = ahci_mvebu_probe, .remove = ata_platform_remove_one, + .suspend = ahci_mvebu_suspend, + .resume = ahci_mvebu_resume, .driver = { .name = DRV_NAME, .of_match_table = ahci_mvebu_of_match, |